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St. Catharines, Ontario Weather

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St. Catharines, Ontario·As of 11:00 p.m.

19°

Mostly Cloudy

Feels like 19°

Sun position

6:58 a.m.7:27 p.m.

Wind
8 km/h
Humidity
72%
Dewpoint
14°
Pressure
1015 hPa

Hourly Forecast

Fri

7 a.m.

Clear

15°

W 6 km/h

8 a.m.

Clear

17°

NW 7 km/h

9 a.m.

Clear

18°

NW 8 km/h

10 a.m.

Clear

19°

NW 7 km/h

11 a.m.

Clear

21°

NW 7 km/h

12 p.m.

Clear

21°

NW 7 km/h

1 p.m.

Clear

22°

NW 5 km/h

2 p.m.

Clear

23°

NW 4 km/h

3 p.m.

Clear

23°

N 3 km/h

4 p.m.

Clear

23°

N 3 km/h

5 p.m.

Clear

22°

NE 3 km/h

6 p.m.

Clear

21°

E 4 km/h

7 p.m.

Clear

19°

SE 5 km/h

8 p.m.

Clear

18°

SE 5 km/h

9 p.m.

Clear

17°

SE 5 km/h

10 p.m.

Clear

16°

SE 5 km/h

11 p.m.

Mostly Clear

16°

SE 5 km/h

Sat

12 a.m.

Mostly Clear

15°

SE 6 km/h

1 a.m.

Clear

15°

SE 6 km/h

2 a.m.

Clear

14°

SE 5 km/h

3 a.m.

Clear

14°

SE 5 km/h

4 a.m.

Clear

14°

SE 5 km/h

5 a.m.

Mostly Clear

14°

SE 5 km/h

6 a.m.

Mostly Clear

14°

SE 5 km/h

7 a.m.

Mostly Clear

16°

S 6 km/h

8 a.m.

Mostly Clear

19°

S 7 km/h

9 a.m.

Partly Cloudy

22°

S 8 km/h

10 a.m.

Partly Cloudy

23°

S 10 km/h

11 a.m.

Mostly Cloudy

25°

S 10 km/h

12 p.m.

Partly Cloudy

26°

S 11 km/h

1 p.m.

Partly Cloudy

26°

S 10 km/h

2 p.m.

Partly Cloudy

27°

S 10 km/h

3 p.m.

Partly Cloudy

27°

S 9 km/h

4 p.m.

Partly Cloudy

26°

S 9 km/h

10% precip

5 p.m.

Mostly Cloudy

26°

S 8 km/h

20% precip

6 p.m.

Chance of Rain

24°

S 8 km/h

30% precip

7 p.m.

Cloudy

23°

S 8 km/h

20% precip

Extended Forecast

FridaySep 11

14°23°

H23°

Day
Precip 0%Wind NW 5 km/h

Clear. High 23.

L14°

Night
Precip 0%Wind SE 5 km/h

Clear. Low 13.

SaturdayWarmestSep 12

20°27°

H27°

Day
Precip 30%0.5 mm rainWind S 9 km/h

Mostly clear early, becoming mostly cloudy by late afternoon. A slight chance of light rain developing in the evening. High 27.

L20°

Night
Precip 20%0.1 mm rainWind SW 10 km/h, gusts 22

Cloudy early, becoming partly cloudy later overnight. Low 20.

SundaySep 13

14°25°

H25°

Day
Precip 10%0.3 mm rainWind W 14 km/h, gusts 27

Partly cloudy. High 25.

L14°

Night
Precip 30%Wind NW 11 km/h, gusts 27

Partly cloudy. Low 14.

MondaySep 14

15°21°

H21°

Day
Precip 10%Wind NE 11 km/h

Mostly clear. High 21.

L15°

Night
Precip 10%Wind SE 11 km/h, gusts 32

Partly cloudy. Low 15.

TuesdaySep 15

18°26°

H26°

Day
Precip 30%Wind SW 24 km/h, gusts 46

Mostly cloudy, then a slight chance of rain developing in the afternoon. High 26.

L18°

Night
Precip 70%5.8 mm rainWind W 13 km/h, gusts 29

Rain likely. Low 18.

WednesdaySep 16

15°22°

H22°

Day
Precip 50%1.3 mm rainWind N 11 km/h

A chance of rain in the morning, then mostly cloudy. High 22.

L15°

Night
Precip 30%0.4 mm rainWind NE 8 km/h

Mostly cloudy. Low 15.

ThursdaySep 17

14°23°

H23°

Day
Precip 40%3.4 mm rainWind NW 15 km/h

A slight chance of rain. High 23.

L14°

Night
Precip 40%2.7 mm rainWind NW 14 km/h, gusts 26

A slight chance of rain in the evening, then mostly clear. Low 14.

FridaySep 18

13°20°

H20°

Day
Precip 20%1.4 mm rainWind N 20 km/h, gusts 32

Mostly clear. High 20.

L13°

Night
Precip 10%Wind W 9 km/h, gusts 25

Mostly clear. Low 13.

SaturdayCoolestSep 19

12°19°

H19°

Day
Precip 10%Wind W 13 km/h

Mostly clear. High 19.

L12°

Night
Precip 20%Wind N 8 km/h

Partly cloudy. Low 12.

SundaySep 20

13°19°

H19°

Day
Precip 20%1.1 mm rainWind NE 12 km/h

Mostly clear. High 19.

L13°

Night
Precip 20%0.5 mm rainWind NE 8 km/h

Partly cloudy. Low 13.

MondaySep 21

17°20°

H20°

Day
Precip 10%Wind NE 11 km/h

Partly cloudy. High 20.

L17°

Night
Precip 0%Wind E 9 km/h

Partly cloudy. Low 16.

Weather data: GridCast (NOAA National Blend of Models). Icons: Meteocons by Bas Milius.

Radar

Radar color legend

Radar: NOAA — colors indicate reflectivity intensity, not precipitation type.